[BT] 

Bloody tampon that is extracted from the chonch in the hopes of sexual activity, often left in inappropriate locations, such as a foreign bedroom or bath.

kid #1: Dude, what's that in your bed?
kid #2: Oh shit, i think.. IT'S A BT!
kid #3: ...Total party foul...but Javi did some work!

[BT] by Mobsterr;; January 3, 2009

BT 

Bad Trip

When your friend drops the bong and spills all the water. What a BT.

BT by Adderal345 August 28, 2018

BT 

BT is a phrase meaning: "Bad Timing" which was popularized by Youtuber and streamer BruceDropEmOff

Bruce: IM ON BT NIGGUH. BAD TIMING

BT by 288bluddsipper September 3, 2022

BT 

Acronym for Bozi Txa
In Armenian, Bozi Txa translates to son of a bitch or son of a whore.
This is the worst possible thing to say.

"You don't call me bt, I won't call you bt."

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"Apeh don't say bt."

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Person 1: "You're a BT"
Person 2: *Instantly knocks out Person 1"

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BT by Tnglis Aper April 10, 2017

bt 

the definition of ¨bt¨
bt.

badtrip witch means something isn't how you want.

example if your high af, and your buddy bullies you. that's badtrip...

ec - damn man, that shit hit me good,
lc- yeah man but you look like shit.
ec - fuck man, that's bt

bt by the casper! October 22, 2020

BT 

Abbreviation for Bird Trouble which expresses your significant other giving you grief. Every man with a partner experiences some form of BT (some worse than others) The term derives from track 3 "Bird Trouble" on UK Street Punk/Oi! Band Cock Sparrers 1994 album Guilty As Charged.

I can't go out tonight. My girl's giving me BT and I gotta deal with this shit!

BT by Jake Pounder September 22, 2018

bt 

black tooth - like the ones D and Norman have.

Hey D! When you gonna bleach that BT?

bt by Doug Ree January 11, 2009